Patents Assigned to Vi-Jon Laboratories, Inc.
  • Patent number: 6841523
    Abstract: The present invention relates to a nail polish remover with excellent solvency and reduced environmental impact for use with artificial nails. Specifically, the nail polish remover contains methyl acetate, a glycol ether coupling agent, and a novel stabilizer. Further, the nail polish remover meets or exceeds contemporary regulations regarding air quality.
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: January 11, 2005
    Assignee: Vi-Jon Laboratories, Inc.
    Inventor: Benjamin J. Holtz
  • Patent number: 6361762
    Abstract: A liquid oral composition for loosening and removing accumulated plaque deposits on dental surfaces which has a slightly acidic pH of about 5.0 to less than 7.0 and is stable when stored at 7°-40° C. for prolonged periods. The composition contains 0.15-0.25 wt. % sodium benzoate, 0.025-0.65 wt. % sodium lauryl sulfate and 0.005-0.015 wt. % tetrasodium pyrophosphate as active ingredients.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: March 26, 2002
    Assignee: Vi-Jon Laboratories, Inc.
    Inventor: William H. Hofmann
  • Patent number: 5077038
    Abstract: A nail polish remover base comprising less than 79% acetone or less than 81% ethyl acetate combined with water or a mixture of a water and ethanol to produce a 100% by weight of the base. The base can be combined with vegetable or animal protein, perfumes, surfactants and coloring agents to produce a final nail polish remover.
    Type: Grant
    Filed: July 19, 1990
    Date of Patent: December 31, 1991
    Assignee: Vi-Jon Laboratories, Inc.
    Inventor: William H. Hofmann
  • Patent number: 4824662
    Abstract: A nail polish remover having an acetone or ethyl acelate-ethanol base and a hydrolyzed soy protein and surfactant combination as an additive to inhibit the dehydrating charactertistics of the remover on the nails and skin of the user.
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: April 25, 1989
    Assignee: Vi-Jon Laboratories, Inc.
    Inventor: William H. Hofmann
  • Patent number: D533073
    Type: Grant
    Filed: January 25, 2005
    Date of Patent: December 5, 2006
    Assignee: Vi-Jon Laboratories, Inc.
    Inventors: John G. Brunner, Edward J. Arndt
  • Patent number: D547662
    Type: Grant
    Filed: November 8, 2005
    Date of Patent: July 31, 2007
    Assignee: Vi-Jon Laboratories, Inc.
    Inventors: Thomas R. Hankins, Roger A. Kidd, Chad A. Blatz